Home / 13,051.88-19,577.76-3,691.88

Finding the Fourth Proportional to 13,051.88, 19,577.76 and 3,691.88

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Solution

The fourth proportional to 13,051.88, 19,577.76 and 3,691.88 is: 5,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.88 : 19,577.76 = 3,691.88 : x
  2. Step 2: Convert to fraction form
    13,051.88/19,577.76 = 3,691.88/x
  3. Step 3: Cross multiply
    13,051.88x = 19,577.76 × 3,691.88
  4. Step 4: Simplify right side
    13,051.88x = 72,278,740.59
  5. Step 5: Solve for x
    x = 72,278,740.59/13,051.88
  6. Step 6: Final answer
    x = 5,537.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.